Add 72/30 and 75/16
1st number: 2 12/30, 2nd number: 4 11/16
72/30 + 75/16 is 567/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
72/30 = 72 × 8/30 × 8 = 576/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
75/16 = 75 × 15/16 × 15 = 1125/240 - Add the two like fractions:
576/240 + 1125/240 = 576 + 1125/240 = 1701/240 - 1701/240 simplified gives 567/80
- So, 72/30 + 75/16 = 567/80
In mixed form: 77/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/60+75/16 72/30+75/32 72/90+75/16 72/30+75/48 72/30+75/80